class_docstr: A tracker for MLflow.
code: def start_run(
      self, run_name: Optional[str] = None
  ) -> None:  # noqa: D102
      self.mlflow.start_run(run_name=run_name)
      if self.tags is not None:
          self.mlflow.set_tags(tags=self.tags)
  
file_path: pykeen/src/pykeen/trackers/mlflow.py
imports: from typing import Any, Dict, Mapping, Optional
  from .base import ResultTracker
  from ..utils import flatten_dictionary
label_desc: Use image node_id 2 for calling the MLFlowResultTracker obj's underlying member method code with example usage: obj.start_run(run_name) without return types